/src/icu/source/common/ustack.cpp
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1 | | // © 2016 and later: Unicode, Inc. and others. |
2 | | // License & terms of use: http://www.unicode.org/copyright.html |
3 | | /* |
4 | | ********************************************************************** |
5 | | * Copyright (C) 2003-2011, International Business Machines |
6 | | * Corporation and others. All Rights Reserved. |
7 | | ********************************************************************** |
8 | | */ |
9 | | |
10 | | #include "uvector.h" |
11 | | |
12 | | U_NAMESPACE_BEGIN |
13 | | |
14 | | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UStack) |
15 | | |
16 | | UStack::UStack(UErrorCode &status) : |
17 | 0 | UVector(status) |
18 | 0 | { |
19 | 0 | } |
20 | | |
21 | | UStack::UStack(int32_t initialCapacity, UErrorCode &status) : |
22 | 0 | UVector(initialCapacity, status) |
23 | 0 | { |
24 | 0 | } |
25 | | |
26 | | UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, UErrorCode &status) : |
27 | 0 | UVector(d, c, status) |
28 | 0 | { |
29 | 0 | } |
30 | | |
31 | | UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, int32_t initialCapacity, UErrorCode &status) : |
32 | 0 | UVector(d, c, initialCapacity, status) |
33 | 0 | { |
34 | 0 | } |
35 | | |
36 | 0 | UStack::~UStack() {} |
37 | | |
38 | 0 | void* UStack::pop(void) { |
39 | 0 | int32_t n = size() - 1; |
40 | 0 | void* result = 0; |
41 | 0 | if (n >= 0) { |
42 | 0 | result = elementAt(n); |
43 | 0 | removeElementAt(n); |
44 | 0 | } |
45 | 0 | return result; |
46 | 0 | } |
47 | | |
48 | 0 | int32_t UStack::popi(void) { |
49 | 0 | int32_t n = size() - 1; |
50 | 0 | int32_t result = 0; |
51 | 0 | if (n >= 0) { |
52 | 0 | result = elementAti(n); |
53 | 0 | removeElementAt(n); |
54 | 0 | } |
55 | 0 | return result; |
56 | 0 | } |
57 | | |
58 | 0 | int32_t UStack::search(void* obj) const { |
59 | 0 | int32_t i = indexOf(obj); |
60 | 0 | return (i >= 0) ? size() - i : i; |
61 | 0 | } |
62 | | |
63 | | U_NAMESPACE_END |